Q. The animal with bilateral symmetry in young stage, and radial pentamerous symmetry in the adult stage belongs to the phylum
A) Annelida
B) Mollusca
C) Cnidaria
D) Echinodermata
Explanation
Echinoderms are triploblastic animals with organ system level or organization. Larval forms possess bilateral symmetry, while adults have radial symmetry.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.